Home / 18,827.76-25,982.57-10,329.72

Finding the Fourth Proportional to 18,827.76, 25,982.57 and 10,329.72

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Solution

The fourth proportional to 18,827.76, 25,982.57 and 10,329.72 is: 14,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.76 : 25,982.57 = 10,329.72 : x
  2. Step 2: Convert to fraction form
    18,827.76/25,982.57 = 10,329.72/x
  3. Step 3: Cross multiply
    18,827.76x = 25,982.57 × 10,329.72
  4. Step 4: Simplify right side
    18,827.76x = 268,392,744.59
  5. Step 5: Solve for x
    x = 268,392,744.59/18,827.76
  6. Step 6: Final answer
    x = 14,255.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.